ADEX ELECTRONICS PCITX4-2 32-bit PCI Riser for 2U Rackmount servers. The PCITX4-2's are 32 bit right angle PCI risers that can turn in either direction. They are designed for short chassis, such as the 2U chassis. The height of the PCITX4-2 is designed to clear that of PCITX4-1, so that two PCI I/O boards can be inserted in parallel with the motherboard in the same direction. The overall dimension of the PCITX4-2 is 3.54L X 2.08H, the connector center height is 1.830. Please click on the Specification URL below for the further details.